Hello, I'm designing a power priority switch using the LTC4418 and I have a question regarding the INTVCC pin.
In the typical application circuit, INTVCC is only shown with a 100 nF bypass capacitor to GND, and the datasheet describes it as the internal 3V3 regulator output used by the IC itself.
My question: Is it permissible to draw a small amount of external load current from INTVCC to supply low-power external components, such as:
- A small logic gate or buffer
- Pull-ups for logic signals
- A low-power microcontroller in sleep / idle mode
- etc
If yes, what is the maximum recommended external load current on INTVCC without affecting LTC4418 operation?
Thank you in advance for any guidance.
Best regards,
Milan